API EXTERNAL UPSET TUBING COUPLINGS
        8 THREADS PER INCH- TAPER. 3/4" PER FOOT
TUBING   MINIMUM WEIGHT PALLETIZED WEIGHT
SIZE COUPLING COUPLING PER CARTON PER
O.D. O.D. LENGTH COUPLING QUANTITY CARTON
2 3/8" 3.063" 4 7/8" 3.42 lbs. 1144 4070 lbs
2 7/8" 3.668" 5 1/4" 5.29 lbs. 792 4327 lbs
3 1/2" 4.500" 5 3/4" 9.02 lbs. 378 4205 lbs
4 1/2" 5.563" 6 1/4" 13.31 lbs. 252 3456 lbs
  API SPECIAL CLEARANCE EXTERNAL UPSET TUBING COUPLINGS
        8 THREADS PER INCH- TAPER. 3/4" PER FOOT
TUBING   MINIMUM WEIGHT PALLETIZED WEIGHT
SIZE COUPLING COUPLING PER CARTON PER
O.D. O.D. LENGTH COUPLING QUANTITY CARTON
2 3/8" 2.910" 4 7/8" 2.29lbs. 864 2101 lbs.
2 7/8" 3.460" 5 1/4" 3.33 lbs 600 2125 lbs
3 1/2" 4.180" 5 3/4" 5.08 lbs. 500 2590 lbs.
              API NON-UPSET TUBING COUPLINGS
    10THREADS PER INCH- TAPER. 3/4" PER FOOT
TUBING   MINIMUM WEIGHT PALLETIZED WEIGHT
SIZE COUPLING COUPLING PER CARTON PER
O.D. O.D. LENGTH COUPLING QUANTITY CARTON
2 3/8" 2.875" 4 1/4" 2.82 lbs. 1288 3830 lbs.
2 7/8" 3.500" 5 1/8" 5.15 lbs. 720 4118 lbs.
3 1/2" 4.250" 5 5/8" 8.17 lbs. 504 3700 lbs.
4 1/2" 5.200" 6 1/8" 13.31 lbs. 252 3394 lbs
           BUTTRESS THREAD TUBING COUPLINGS
        8 THREADS PER INCH- TAPER. 3/4" PER FOOT
TUBING   MINIMUM WEIGHT PALLETIZED WEIGHT
SIZE COUPLING COUPLING PER CARTON PER
O.D. O.D. LENGTH COUPLING QUANTITY CARTON
2 3/8" 2.875" 8-1/2" 5.46 lbs. 644 3545 lbs
2 7/8" 3.500" 8-1/2" 8.14 lbs 400 3285 lbs
3 1/2" 4.250" 8-1/2" 11.74 lbs 248 2950 lbs
  API  SHORT ROUND-THREAD CASING COUPLINGS
        8 THREADS PER INCH- TAPER. 3/4" PER FOOT
CASING COUPLING MINIMUM WEIGHT PALLETIZED PALLETIZED
SIZE SIZE COUPLING PER CARTON CARTON
O.D. O.D. LENGTH COUPLING QUANTITY WEIGHT
4 1/2" 5.000" 6 1/4" 7.98 lbs. 294 2463 lbs
5" 5.563" 6 1/2" 10.26 lbs 252 2590 lbs
5 1/2" 6.050" 6 3/4" 11.53 lbs 216 2578 lbs
6 5/8" 7.390" 7 1/4" 20.09 lbs 115 2322 lbs
7" 7.656" 7 1/4" 18.47 lbs 120 2279 lbs
7 5/8" 8.500" 7 1/2" 27.08 lbs 80 2322 lbs
8 5/8" 9.625" 7 3/4" 35.75 lbs 60 2253 lbs
9 5/8" 10.625" 7 3/4" 39.71 lbs 50 2047 lbs
10 3/4" 11.750" 8" 45.76 lbs 45 2150 lbs
13 3/8" 14.375" 8" 56.52 lbs 25 1569 lbs
  API  LONG ROUND-THREAD CASING COUPLINGS
        8 THREADS PER INCH- TAPER. 3/4" PER FOOT
CASING COUPLING MINIMUM WEIGHT PALLETIZED PALLETIZED
SIZE SIZE COUPLING PER CARTON CARTON
O.D. O.D. LENGTH COUPLING QUANTITY WEIGHT
4 1/2" 5.000" 7" 9.15 lbs 294 2805 lbs
5" 5.563" 7 3/4" 12.66 lbs 210 2663 lbs
5 1/2" 6.050" 8" 14.14 lbs 180 2673 lbs
6 5/8" 7.390" 8 3/4" 24.98 lbs 100 2315 lbs
7" 7.656" 9" 23.85 lbs 100 2453 lbs
7 5/8" 8.500" 9 1/4" 34.42 lbs 64 2317 lbs
8 5/8" 9.625" 10" 47.72 lbs 48 2410 lbs
9 5/8" 10.625" 10 1/2" 56.05 lbs 40 2277 lbs
*10 3/4" 11.750" 10 1/2" 62.02 lbs 36 2275 lbs
*13 3/8" 14.375" 10 1/2" 76.63 lbs 20 1575 lbs
* NOT AN API STANDARD
 API  REGULAR O. D. BUTTRESS CASING COUPLINGS
        5 THREADS PER INCH- TAPER. 3/4" PER FOOT
CASING COUPLING MINIMUM WEIGHT PALLETIZED PALLETIZED
SIZE SIZE COUPLING PER CARTON CARTON
O.D. O.D. LENGTH COUPLING QUANTITY WEIGHT
4 1/2" 5.000" 8 7/8" 10.11 lbs 196 2007 lbs
5" 5.563" 9 1/8" 12.99 lbs 144 2840 lbs
5 1/2" 6.050" 9 1/4" 14.14 lbs 144 2061 lbs
6 5/8" 7.390" 9 5/8" 24.46 lbs 92 2295 lbs
7" 7.656" 10" 23.22 lbs 80 2068 lbs
7 5/8" 8.500" 10 3/4" 34.85 lbs 64 2255 lbs
8 5/8" 9.625" 10 5/8" 45.94 lbs 48 2414 lbs
9 5/8" 10.625" 10 5/8" 51.00 lbs 40 2065 lbs
10 3/4" 11.750" 10 5/8" 56.69 lbs 36 2179 lbs
13 3/8" 14.375" 10 5/8" 69.96 lbs 20 1581 lbs
 API  COLOR CODING TUBING COUPLINGS
GRADE TYPE   COLOR  
J-55   GREEN  
L-80 1 RED WITH BROWN STRIPE  
N-80 1 RED WITH GREEN STRIPE  
N/L-80 1 RED  
C-95   BROWN  
P-110     WHITE  
 API  COLOR CODING CASING COUPLINGS
GRADE TYPE   COLOR  
H-40     BLACK  
J-55   GREEN  
K-55   GREEN  
L-80 1 RED WITH BROWN STRIPE  
N-80 1 RED WITH GREEN STRIPE  
N/L-80 1 RED  
P-110   WHITE  
Q-125 TYPE  1 ORANGE  
Q-125 TYPE  2 ORANGE WITH YELLOW STRIPE  
Q-125 TYPE  3 ORANGE WITH GREEN STRIPE  
Q-125 TYPE  4   ORANGE WITH BROWN STRIPE